第4回：携帯型ゲーム機を発想 (http://trendy.nikkeibp.co.jp/article/special/20080929/1019224/)

(http://www.muhyojo.com/magazine/Syueisya/Weekly-Boys-Jump-0809-44/T-1.php)

(http://maniaxz.blog99.fc2.com/blog-entry-1969.html)

(http://special.kids.yahoo.co.jp/summer2008/study/05.html)